I will place these cleanly on GitHub and will share the repos here.
Paperpile-inspired reference manager, but free.
Your library lives in your browser and syncs through your own Google Drive. No accounts, no servers, no lock-in. It's easy to migrate to MyCite, and easy to migrate out of it if you desire to 😉
Track and plan for every paper. From idea to submitted.
A board for your papers. Each one sits at its stage, from concept to co-author review to out the door. One glance shows what's moving and what's stuck.
Remember every song you're learning on guitar.
Three lists: want to learn, practicing, learned. Each song keeps its chords, a favourite tutorial, and notes on the tricky bars, so I stop forgetting what I was working on.